Headphone



FIG. 1 is a front elevational view of a headphone showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines illustrating unclaimed portions of the headphone arefor illustrative purposes only; the broken lines form no part of theclaimed design. The dot-dash broken lines defining boundaries of theclaimed design form no part of the claimed design.

CLAIM The ornamental design for a headphone, as shown and described.